#!/usr/bin/env python
# -*- coding: utf-8 -*-
#===============================================================================
# Copyright 2011 zod.yslin
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# 
# Author: zod.yslin
# Email: 
# File Name: property.py
# Description: 
#   property(fget=None, fset=None, fdel=None, doc=None) 回傳類別的屬性值
# Edit History: 
#   2011-09-09    File created.
#===============================================================================
class C:
    def __init__(self):
        self._x = None
 
    def getx(self):
        return self._x
    def setx(self, value):
        self._x = value
    def delx(self):
        del self._x
    x = property(getx, setx, delx, "I'm the 'x' property.")
 
print(C.x)
print(dir(C.x))
print(C.x.fget)
print(C.x.fset)
print(C.x.fdel)
 
d = C()
print(d.x)
d.x = 22
print(d.x)
